Solve the problem.The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes according to  where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 3.

A. 8800, 2,252,800
B. 8800, 105,600
C. 8800, 563,200
D. 35,200, 563,200


Answer: C

Mathematics

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Evaluate.If f(x) = , find the value of f(-9).

A. -3
B. 3
C. 3
D. 3

Mathematics

Find the product.-9x(10x - 5)

A. 10x2 + 45x B. -90x2 - 5x C. -45x2 D. -90x2 + 45x

Mathematics

Find the determinant.det 

A. -16 B. 16 C. 0 D. 4

Mathematics

Solve the problem.A survey of 1,981 credit card users indicated that 911 had bought books online, 876 had bought music online, 439 had bought pet supplies online, 139 had bought both books and music, 200 had bought both books and pet supplies, 160 had bought both music and pet supplies, and 93 had bought all three. How many credit card users did not buy any of the three? How many bought either books or pet supplies but not music?

A. 161; 944 B. 161; 837 C. 254; 837 D. 161; 930

Mathematics